1 / 8

Place Value & Decimal Comparisons

Learn about place value through millions and how to compare and order whole numbers and decimals.

pauld
Download Presentation

Place Value & Decimal Comparisons

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 1 PLACE VALUE

  2. Lesson 1 – PLACE VALUE THROUGH MILLIONS • Standard form: 804,932,008 • *Each group of three digits is called a periodand is separated by a comma • Word form: eight hundred four million, nine hundred thirty-two thousand, eight • *When you get to the comma, say the period • * • Expanded form: 8 x 100,000,000 + 4x 4,000,000 + 9x 100,000 + 3 x 10,000 + 2 x 1,000 + 8 • *Split up the number using place value. For example, an 8 in the hundred millions place equals 8 x 100,000,000.

  3. Lesson 2 – compare and order whole numbers • You can line up the numbers to compare • Example: 76,552 Ο 76,852 • 76,552 • 76,852 5 < 8 so • 76,552 < 76,852

  4. Lessons 3 & 4 – Relating fractions and decimals • Examples: • 7 = 0.7 54 = 0.54 17 = 0.017 • 10 100 1,000

  5. Lessons 5 & 6 – Place value of decimals • Word form 0.55 • 1. Say the decimal as a whole number • fifty-five • Label the place value. In what column does the number end? • hundredths • Word form is fifty-five hundredths

  6. Lessons 5 & 6 – Place value of decimals • Standard form twenty-seven thousandths • 1. What is the place value? • Thousandths = 0. __ __ __ • Place the numbers to the right • 0. 02 7 • Standard form is 0.027

  7. Lessons 5 & 6 – Place value of decimals • Expanded form 0.95 • Multiply each number by it’s place value. • 0.95 = (9 x 1/10) + (5x 1/100)

  8. Lessons 7 & 8 – compare and order decimals • You can line up the numbers to compare • Example: 0.592 Ο 0.512 • 0.592 • 0.512 9 > 1 so • 0.592 > 0.512

More Related